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Underground

Our underground health and safety, productivity and environment initiatives include strengthening ventilation and gas management technology, minimising risks from fires and explosions, advancing emergency response technologies, reducing operating costs and improving reliability of subsidence predictions.


Strata Control and Windblasts (60 Reports)

3D Stress Effects of Longwall Caving as Revealed by Microseismic Monitoring

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C901201/03/2003
Author: Peter Hatherly, Winton Gale, Terry Medhurst, Andrew King, Stuart Craig, Brett Poulsen, Xun Luo | CSIRO Exploration & Mining, SCT Operations, Australian Mining Consultants

The use of microseismic monitoring to resolve caving issues and to provide warning of weightings, windblasts and other caving related problems has been demonstrated by a number of ACARP and industry funded projects. In this, the latest project, the direct association between microseismic ....  read more

 

ACARP Scholarship - A Method for the Design of Longwall Gateroad Roof Support

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C1308209/03/2009
Author: Bill Lawrence | Geowork Engineering

A longwall gateroad roof support design method for roadway development and panel extraction is demonstrated. It is a hybrid numerical and empirical method called Gateroad Roof Support Model (GRSM), where specification of roof support comes from charts or equations. GRSM defines suggested roof ....  read more

 

Anchorage and Failure Mechanisms of Fully Encapsulated Rockbolts: Stage 2

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C1002201/09/2004
Author: Paul Hagan, S Weckert | University of NSW

The results of this second stage project have contributed to the state of knowledge and further understanding of the mechanics of fully encapsulated or full column rockbolts (FERB). The project included several investigations intended to improve current rockbolting practices in the field ....  read more

 

Application of 50 to 60 Tonne Cable Pre-Loads to Roof Control in Difficult Ground Conditions

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C801901/03/2001
Author: David Hill | Strata Engineering (Australia)

This project has successfully met all aspects of the following original objective: "to establish a package of existing technology items that allows the installation and pre-loading of cable tendons in the range of 50 to 60 tonnes and to conduct installation trials and basic field evaluations in ....  read more

 

Assessment of Mine Roof Integrity

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C402401/01/1998
Author: I Hutchinson, Peter Hatherly | CSIRO Exploration & Mining

A prototype tool has been developed to allow testing for instability and zones of weakness in a mine roof. The tool measures the velocity of a seismic wave passing through the rock mass. In general  ....  read more

 

Automatic Real Time Assessment of Windblast Risk

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C802601/06/2002
Author: Van Zyl Brink, AR Newland | Snowden Associates

The main objective of this project was to automatically assess the risk of experiencing a windblast in a longwall operation. The logical extension of the risk assessment was the automatic generation of an alarm should the risk exceed pre-determined levels.

Certain conditions need to ....  read more

 

Coal Destressing - Implications and Opportunities for Moderate to Deep Mines

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C1301130/08/2007
Author: Winton Gale | SCT Operations

The phenomena of coal shrinkage due to gas desorption is well-known in the field of coal gas testing.  The impact of this on roadway stability has not been widely recognised, as in the past most gassy seams were relatively thin (<3m) and the roof and floor were typically ....  read more

 

Coal Geomechanics Review - Scoping Study

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C1100101/09/2001
Author: Ted Brown | Golder Associates

On the recommendation of the Underground Research Sub-Committee, ACARP commissioned Golder Associates Pty Ltd to carry out a review of ACARP's underground geomechanics-related research with Professor E T Brown AC as the nominated reviewer. The objective was "to ....  read more

 

Consolidation Grouting of Fault Zones in Longwall Mines

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C701701/12/1999
Author: Martin Watkinson | North Goonyella Coal Mines

Structurally related falls on the southern longwalls at North Goonyella Coal Mine are a continuing problem. Geotechnical monitoring, primary/secondary support design systems, in combination with standard Face Management Systems have helped reduce the number of fall events. NGCM's current ....  read more

 

Convergence Based Roof Support Design

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C24015 01/05/2017
Author: Terry Medhurst | PDR Engineers

The aim of this project was to develop a roof support design approach that takes account of differing roof conditions, effect of support type and stiffness that can be used for mine design. An analytical framework is presented that provides a measure of both support load and roof convergence ....  read more

 

Cost Effective Use of PUR and Optimising Large-Scale Injected Strata Reinforcement

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C1001931/08/2003
Author: Paul Buddery, Russell Frith, David Hall | Strata Engineering (Australia)

The project arose from a recognition that both small-scale and large-scale injected strata reinforcement techniques have the potential to play significant roles within the coal mining industry where the preferred support methods such as tendons, standing support and face powered supports ....  read more

 

Detection of Incompetent Mine Roof Stage 2

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C402701/12/1996
Author: JD Bunton, Colin E Jacka | CSIRO Telecommunications and Industrial Physics

This document reports on the work undertaken during 1996 as the second part of a project aimed at developing new technology to aid the reliable and objective evaluation of roof conditions in underground coal mines. Of particular concern are mines with conglomerate roofs, as found in the Great ....  read more

 

Determination of Stress Relaxation in Drill Core Using Laser Micrometry

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C306901/01/1997
Author: Phillip Schmidt | CSIRO Exploration & Mining

This project brings together two techniques as a relatively cheap and rapid means of assessing underground horizontal stress conditions. These techniques are measurement of drill core relaxation using a laser micrometer and core orientation using palaeomagnetism. Drill core able to be ....  read more

 

Development of Hydraulic Fracturing to Control Windblast

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C902430/11/2001
Author: Ken Mills, Rob Jeffrey | SCT Operations, CSIRO Petroleum, HFT

This project was conceived following the first successful application of hydraulic fracturing to control caving at Moonee Colliery. The routine use of hydraulic fracturing at Moonee has provided a unique opportunity for development and refinement of hydraulic fracturing technique in a mining ....  read more

 

Development Of New Testing Procedure For The Assessment Of Resin Performance For Improved Encapsulated Roof Bolt Installation In Coal Mines

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C2101125/02/2015
Author: Naj Aziz, Jan Nemcik, Peter Craig, Robert Hawker | University of Wollongong,

In underground coal mining, the resin bond between the rock bolt and the strata is one of the critical elements of a roof bolting system, yet the Australian coal industry does not have an agreed standard for bolting system evaluation. A program of field and laboratory studies was undertaken to ....  read more

 

Dynamic Response Of Longwall Systems And Their Relationship To Caving Behaviour

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C2003201/02/2014
Author: Terry Medhurst | PDR Engineers

Massive strata overburden units are known to influence support loading on longwall faces. Past studies of the conglomerates in NSW and sandstones in Qld have identified factors such as unit thickness, proximity to coal seam, immediate roof strength and panel width that may all play a role in ....  read more

 

Dynamics of Wind Blasts in Underground Coal Mines

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C603021/01/2000
Author: Chris Fowler, P Sharma | University of New South Wales

In some underground coal mines where the roof comprises strong and massive rock, the roof strata do not cave regularly as extraction progresses but 'hang up', leading to extensive areas of unsupported roof. These areas can collapse, suddenly and often without warning, compressing the  ....  read more

 

Electromagnetic Emissions Monitoring to Warn of Wind Blasts and Gas Outs

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C900501/08/2001
Author: Keeva Vozoff | Vozoff & Associates

Electromagnetic signals are emitted by rocks as they fracture, in much the same way as acoustic signals, but by different processes and with different characteristics. The object of this project was to evaluate the potential usefulness of the emissions (EME) as warning signals, to complement ....  read more

 

Engineered Mine Design in Soft Strata Environments - Geomechanical Behaviour of Soft Floor Strata in Underground Coal Mines

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C402601/08/1999
Author: Jim Galvin, Bruce Hebblewhite, Vasundhara | University of New South Wales

The work described in this thesis has been concerned with investigating the geomechanical behaviour of soft floor strata in underground coal mines, especially in the context of bord and pillar layouts. Many cases of significant  ....  read more

 

Establishing Anchorage and Failure Mechanisms of Fully Encapsulated Roof Support Systems

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C701801/04/2001
Author: Jim Galvin, JC Offner, A Whitaker, M Fabjanczyk, J Watson | University of New South Wales

The Australian underground coal mining industry consumes 5 to 6 million rock bolts per annum. It has been independently concluded that between 30%-35% do not perform to specification. This represents an annual expenditure of $35-$40 million. There are no standardised methods for assessing rock ....  read more

 

Establishing the Strength of Irregular and Rectangular Pillars

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C502401/12/1998
Author: Jim Galvin, MDG Salamon, BB Lin | University of New South Wales

The publication in 1995 of the UNSW Pillar Design Methodology provided the Australian coal industry with a tool for designing square shaped coal pillars to a high degree of ....  read more

 

Geophysical Assessment of Fracture Grouting

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C1105620/05/2004
Author: Gary Fallon, Binzhong Zhou, Andrew King, Peter Hatherly | MIM Exploration, CSIRO Exploration & Mining

There are very high safety and production risks associated with mining through any weak zone associated with a fault or fractures. The mining industry seeks to reduce this by using fine, high pressure grouting techniques to stabilise such geomechnically weak zones. However considerable ....  read more

 

Geotechnical Design of Roof Support and Reinforcement

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C302716/02/1995
Author: Ross Seedsman | Coffey Partners International

The aim of this project was to develop an engineering design methodology for roof support so that alternative bolting strategies can be compared qualitatively in terms of productivity, cost, safety, and risk. Such a design methodology will provide a framework to assess development rate ....  read more

 

Ground Engineering - Principles and Practices for Underground Coal Mining

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C2200401/04/2016
Author: Jim Galvin | Galvin and Associates Pty Ltd

This text is not published via the ACARP website.  It is available from Springer: http://www.springer.com/gp/book/9783319250038

 

ACARP was pleased to support Emeritus Professor ....  read more

 

High Tensile Strength Support and Ventilation Membrane

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C800701/07/2001
Author: David Laurence, DR Chalmers, PM Stothard, Jim Galvin | University of NSW

During a 1997 ACARP-funded mission to South Africa, an acrylic-based polymer membrane called Evermine (formerly known as Everbond) was identified as having considerable potential for Australian coal mining environments. Evermine was developed in South Africa for the CSIR Mining Technology ....  read more

 

Hydraulic Fracturing in Coal Mining

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C1001023/03/2006
Author: Ken Mills, Rob Jeffrey | SCT Operations, CSIRO Petroleum

This project was conceived as a follow up to ACARP Project C9024 “Development of Hydraulic Fracturing to Control Windblast” which focussed on the experience of successfully introducing hydraulic fracturing to control windblast at Moonee Colliery. A range of potential ....  read more

 

Improving Safety & Performance of Timber Chock Constructions

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C603401/12/1999
Author: Claire Offner, Jim Galvin, C McCartney, L Beer | University of New South Wales

Timber chocks are used on a systematic basis to support longwall tailgate roadways by 13 Australian longwall operators. At least five other operators use timber chocks on an as-needed basis. Typically, it requires about 80 acres of Australian hardwood forest to supply enough timber to chock one ....  read more

 

Improving the Up-time Efficiency of Roadway Development Units by the Use of Reduced Primary Bolting Densities and Routine Secondary Support

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C603303/03/2000
Author: Rob Thomas, David Hill, Russell Frith | Strata Engineering (Australia)

This ACARP project sought to demonstrate that significant improvements could be obtained in the up-time efficiency of longwall gate road development units by optimising roof support practices and utilising improved support technology. The project built on the results of earlier ACARP-sponsored ....  read more

 

Investigation Into Roadway Roof Support Design Using the Geophysics Strata Rating

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C2200801/03/2015
Author: Terry Medhurst | PDR Engineers

This project was aimed to investigate methods of using roof monitoring data in combination with geophysics based models of strata conditions for roadway roof support design. The project has enabled development of an analytical model/graphical technique that provides a measure of both support ....  read more

 

Mapping of Tensile Failures in Longwall Mining through New Microseismic Procedures

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C801301/02/2001
Author: Xun Luo, Peter Hatherly, S Wang | CSIRO Exploration & Mining

The objectives of the project were to develop new microseismic methods to map tensile microseismic events round operating longwalls, and apply the new methods to the data set collected from microseismic monitoring projects already undertaken by CSIRO.

Methods of noise filtering in the ....  read more

 

Maximising In-Situ Stress Measurement Data from Borehole Breakout using Acoustic Scanner & Wireline Tools

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C1000928/07/2003
Author: Stuart McGregor | SCT Operations

The role of horizontal stress in affecting strata behaviour in underground coal mines has been well documented. In Australia, the nature and depth of the underground coal resources has resulted in high levels of horizontal stress, typically 2-3 times the vertical stress, and up ....  read more

 

Mechanical Behaviour of Reinforcement Elements Subjected to Shear

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C1201001/03/2006
Author: Paul Hagan, Luke Mahony | University of New South Wales

Strata control is one of the core risk areas in underground coal mining. The use of appropriate technology for ground support whether it be roof or ribs, primary or secondary and the effective management of this technology can be pivotal to achieving a safe and economical viable mining ....  read more

 

Monitoring System for Improved Roof Management

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C502501/11/1998
Author: Ken McNabb | Mincad Systems

This project concerns the development of a new instrument that is cheap, reliable and capable of routinely determining accurately strata shear deformation. Data from this shear monitor can be used to help assess support performance under changing geological and loading conditions.

The ....  read more

 

Multi Seam Layout Guidelines and Feasibility of Partial Chain Pillar Removal

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C1103218/10/2004
Author: Winton Gale | SCT Operations

Australian coal deposits commonly have coal seams in close proximity, however over recent times, underground mining has typically concentrated on the single seam mining of the most economic seam. The proximity of seams within the Hunter Valley in particular, lends ....  read more

 

Optimisation of Roof Bolt Length Based on Improved Resin Performance

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C2102306/03/2017
Author: Kent McTyer | Mine Advice

This study compared the performance of two types of resin capsules used for full encapsulation of roof bolts in underground coal mines. The first, a 15:1 mastic to catalyst capsule which is the predominant system used in Australian mines, despite some well-documented problems. The second, a ....  read more

 

Optimising the Selection of Fully Grouted Cable Bolts in Varying Geotechnical Environments

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C2201001/02/2015
Author: Paul Hagan | University of New South Wales

The primary objective of this research project was to develop a laboratory-scale test facility in Australia that can be used to determine the behaviour and assess the load transfer performance of fully grouted cable bolts under axial loading conditions. The facility had to be capable of testing ....  read more

 

Performance and Cost Effectiveness of Timber Chock Construction

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C306831/05/1996
Author: Jim Galvin, BB Lin, AC Silveira, T Rochford | University of New South Wales

Eleven Australian longwall operators systematically support longwall tailgates with timber chocks. Average annual expenditure is approximately $180,000 with one operator expending over $500,000/annum on  ....  read more

 

Performance Evaluation of Flexibolt Flexible Roof Bolts

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C302501/12/1994
Author: Peter Fuller, P O'Grady | Barrett, Fuller & Partners

The FLEXIBOLT flexible roof bolt was initially developed under NERDDC Project 1334. A number of collieries expressed interest in further development of the FLEXIBOLT so it could be applied as either long (>3m) or short tendons in the production environment.  To this end the project ....  read more

 

Premature Rock Bolt Failure

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C800801/04/2002
Author: A Crosky, Mike Fabjanczyk, Peter Gray, Bruce Hebblewhite, B Smith | University of New South Wales, SCT Operations, Ground Support Services

This project was initiated in 1999 to address the observed phenomenon of premature failure of rock bolts in a number of Australian collieries, and with a particular focus on the problem of Stress Corrosion Cracking (SCC) in rock bolts. SCC occurs by the slow progressive growth of stress ....  read more

 

Premature Rock Bolt Failure: Stage 2

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C1201401/08/2004
Author: A Crosky, Michael Fabjanczyk, Peter Gray, Bruce Hebblewhite | University of NSW, SCT Operations, Ground Support Services

A previously funded ACARP project (C8008), conducted by the same collaborative research team, investigated the problem of premature failure of rock bolts due to stress corrosion cracking. That project was reported in April, 2002.

Stress corrosion cracking is defined, in ....  read more

 

Prestressing of Strands to Improve Cable Performance

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C402501/12/1997
Author: Peter Fuller, M Bijelac, IR Hulls, T Rochford | BFP Consultants

High load capacity cable bolts and Flexibolts have the potential to be pretensioned to relatively high loads of 30 tonnes while still allowing further roof deformation and bolt loads to increase before  ....  read more

 

Real-time Rockmass Response from Microseismics

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C1502401/06/2009
Author: Andrew King, Michael Lofgren, Matt van de Werken | CSIRO Exploration and Mining

Microseismics is routinely used in hard-rock mines as a hazard-management tool for rockbursts. Its use in coal, however, has been limited by the challenges of seismic propagation in a coal environment. CSIRO, with support from ACARP and the industry, has been working to adapt the technique for ....  read more

 

Real-time Seismic Roof Condition Mapping Ahead of Longwall Mining

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C2102001/04/2015
Author: Xun Luo, Joey Duan, Matt Van de Werken | CSIRO

Poor roof conditions in a coal mine longwall panel may result in rock collapse. This can cause significant interruption to mine production. The ability to image roof conditions - stress and degree of fracturing - ahead of the face gives the mine the opportunity to proactively respond to such ....  read more

 

Reducing the Hazard of Windblast in Underground Coal Mines

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C801701/07/2001
Author: Chris Flower, P Sharma | University of New South Wales

Wind blast in coal mines and its equivalent, air blast, in metalliferous mines have been of concern to the Australian underground mining industry for many years. Although the most recent fatality due to wind blast in a coal mine took place in 1976 at Eastern Main Colliery, incidents involving ....  read more

 

Reinforcement Techniques for Weak Rock

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C502322/10/1999
Author: Winton Gala, Mike Fabjanczyk | SCT Operations

The objectives of this project were to define the application of alternate reinforcement and support strategies for the stabilisation of weak strata.

They were achieved ....  read more

 

Review of Barrier Pillar, Bleeder, Chain Pillars in Weak Strata and Thick Coal

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C1201122/02/2006
Author: Mike Fabjanczyk, Greg Tarrant, Jan Nemcik, Winton Gale | SCT Operations

Prior to the commencement of this project, a number of mine sites had experienced adverse conditions in roadways in the vicinity of goafs.  These adverse conditions could not be easily explained with the understanding of strata behaviour at that time.

The strata  ....  read more

 

Rib Support Design Methodology for Australian Collieries

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C1102701/11/2004
Author: Mark Colwell | Colwell Geotechnical Services

The aim of this project was to provide the Australian coal industry with a rib support design methodology and computer based design tool that can be utilised by colliery engineers and geologists who have sufficient experience and training in relation to underground ....  read more

 

Roadway Roof Stability and Its Attainment through Pre-Tensioned Bolting

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C303216/02/1995
Author: Russell Frith | ACIRL

This report contains details of four small scale field trials of pretensioned roof bolting, achieved by the incorporation of a thrust bearing as a fraction washer between the dome washer and nut of a roof bolt head assembly.

The ....  read more

 

Roof and Goaf Monitoring for Strata Control in Longwall Mining

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C306730/10/1995
Author: Peter Hatherly, X Luo, Richard Dixon, B McKavanagh, M Barry, Z Jecny, C Bugden | CSIRO

The application of seismic monitoring techniques in Australian coal mining has been tested by a seismic monitoring study carried out at Gordonstone Mine. The intention was to map the extent of fracturing associated with longwall mining in the  ....  read more

 

Roof Condition Monitoring Ahead of a Longwall Face: Phase 1 - Initial Assessment and Experimental Tr

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C1502301/10/2007
Author: Xun Luo, Andrew King, Matt Van de Werken | CSIRO Exploration & Mining

The trend of longwall coal mining goes to longer and wider longwall panels for more production. The exhaustion of coal resources near the surface forces the panels to go deeper into higher stressed and more geologically complicated environments. Implementing tougher safety regulations requires ....  read more

 

Scoping of ACARP's Coal Burst Research

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C2500401/04/2016
Author: Ismet Canbulat, Chengguo Zhang, Bruce Hebblewhite, Jim Galvin, Fidelis Suorineni, Baotang Shen, Winton Gale, Rob Thomas, Serkan Saydam & Paul Hagan | University of New South Wales

ACARP initiated a program to develop a long term coal burst research strategy.  The main objective of this project was to scope the ACARP's proposed coal burst research program in a structured, step by step process based on past international knowledge and experience.

 ....  read more

 

Stage One Report: Improving Roof Control on Longwall Faces Through The Incorporation Of Reliable Convergence Monitoring Data Into Load Cycle Analysis Software

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C2101311/02/2015
Author: Robert Trueman | Golder Associates

Most Australian coal mines now have shield leg pressure monitoring in real time to aid the identification and remediation of roof control problems and to assist in the identification of faulty legs and yield valves. Nevertheless roof falls continue to occur at sites where such monitoring is ....  read more

 

Standing Support - It's Time for an Engineered Solution

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C1200614/03/2005
Author: Greg Tarrant | SCT Operations

This project was commissioned to develop a better understanding of the underlying strata mechanics of high deformation tailgate environments and to determine the required engineering characteristics of artificial supports to control such environments.

The project findings ....  read more

 

Subsidence Control Using Coal Washery Waste

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C1602301/03/2010
Author: Baotang Shen, Habib Alehossein, Brett Poulsen, Arthur Waddington | CSIRO, Mine Subsidence Engineering Consultants Pty Ltd

This report is the final report of the ACARP project - C16023 Subsidence Control Using Coal Washery Waste. The main objective of this project is to provide technical knowledge to support a trial of overburden grout injection technology to control mine subsidence in an Australian mine. The ....  read more

 

System for Early Prediction of Catastrophic Roof Failure

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C502204/12/1998
Author: Ken Mills | SCT Operations

The project aims to develop a system to measure, on a routine basis, the horizontal pressure acting through the roof strata of underground coal mine roadways. This  ....  read more

 

Systems Approach to Pillar Design

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C901801/05/2005
Author: Bruce Hebblewhite, Jim Galvin, B Sainsbury, Vasundhara, Winton Gale, R Whiteley, David Hill | University of NSW, SCT Operations, Coffey Geosciences, Strata Engineering

The Australian coal mining industry, through AMIRA, JCB and ACARP have funded research into pillar design methods for over 10 years with several million dollars worth of industry funds expended.

As a result of the research projects, several approaches to pillar design have evolved ....  read more

 

Underground Thick Seam Rib Support Using Active Reinforcement Stage 3

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C310501/10/1997
Author: Brian McCowan, Russell Frith | ACIRL, Strata Engineering

Active rib bolting has been evaluated as a means of improving rib support effectiveness and reducing bolt densities in high gateroads. This project (Stage 3) has demonstrated that pre-loading rib bolts does  ....  read more

 

Update of Stress Concentration Effects About Longwall panels for Improved Mine Planning

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C2003113/01/2015
Author: Winton Gale | SCT Operations

Recognition of horizontal stress concentrations about longwall panels was made during the 1980's and 90's. The nature and factors which influence the stress concentration has become more apparent with further

experience and study of the phenomenon in a wider range of geotechnical ....  read more

 

Use of Pro-active Resin or Grout Injection for Roadway Stabilisation by Promoting Improved Rock Mass Competence

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C1802201/05/2012
Author: Russell Frith | Mine Advice

This project addressed and evaluated a basic hypothesis, namely that the early injection of material into open bedding planes in the roof of a mine roadway that would substantially adhere to the rock, would have significant reinforcing benefits, the impetus for the project being published ....  read more

 

Wind Blast and Methane Expulsion: Extension of Field Monitoring to Generalise the Results of Projects C7031 and C8017

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C1002423/06/2003
Author: Chris Fowler, Bruce Hebblewhite | University of New South Wales

Caving is a fundamental aspect of most modern underground coal mining operations. However, in some mines where the roof comprises strong and massive rock, caving does not occur readily, resulting in an extensive mass of unsupported rock spanning a large void in the goaf. Such a 'hang up' may ....  read more

 

Underground

Health and safety, productivity and environment initiatives.

Recently Completed Projects

C24066Development Of An Alternative Electronic Spark Test Apparatus

Since a high profile incident in 1998, where two widely deployed IS cert...

C23005Use Of Plastic Metal In Underground Coal Mines For Minor Repair On Flameproof Equipment

The potential for a gas or dust explosion arising from hot work and ...

C25070Shuttle Car Steering System Optimisation

The condition of roadways in underground mines is of great importance, a...

Underground

Open Cut

Safety, productivity and the right to operate are priorities for open cut mine research.

Recently Completed Projects

C21028Automated Design Of Multi-Pass Dragline Strips Using 3D-Dig

This project aimed  to research, develop and implement a design...

C25030Guidelines For Coal Mine Open Pit Final Void Closure And Relinquishment - Addressing Uncertainty In Coal Mine Environmental Planning

This report addresses uncertainties faced by coal mine operators whe...

C25029Open Path Boundary Monitoring

The objective of this work was to investigate suitable options and imple...

Open Cut

Coal Preparation

Maximising throughput and yield while minimising costs and emissions.

Recently Completed Projects

C22031Investigation Of The Graviton Separator At Pilot Scale

Vast quantities of fine coal, worth hundreds of millions of dollars, are...

C24046Online Particle Size Monitoring In Coal Preparation

The principle of using laser diffraction as a means of measuring a v...

C24048Thickener Underflow Monitor

The aim of this project was to develop an instrument that is capable of ...

Coal Preparation

Technical Market Support

Market acceptance and emphasising the advantages of Australian coals.

Recently Completed Projects

C24060Structural Differences Between Coking Coals Of The Sydney Basin And Other Sources

Cokes made from Australian coals of relatively low fluidity can have...

C25045Stage One - Assessment Of In Situ High-Temperature Strength Of Cokes

A typical high-CSR Australian coke was subjected to high-temperature...

C24053Effect Of Coke Reactivity Upon Coke Strength With Focus On Microstructure

The primary aim of this project was to examine changes in the microstruc...

Technical Market Support

Mine Site Greenhouse Mitigation

Mitigating greenhouse gas emissions from the production of coal.

Recently Completed Projects

C19054VAM Enrichment With A Two-Stage Adsorption Process

Treatment of ventilation air methane (VAM) with cost-effective technolog...

C24017Improving Methods For Quantifying Fugitive Emissions From Open Cut Coal Mining

Fugitive emissions from open cut coal mines are usually estimated fo...

C21065Flame Arresting Mechanisms And Flameproof Device For VAM Mitigation

The overall goal of this project was to study the gas flammability limit...

Mine Site Greenhouse Mitigation

Low Emission Coal Use

Step-change technologies aimed at reducing greenhouse gas emissions.

Recently Completed Projects

C17060BGasification Of Australian Coals

Four Australian coals were trialled in the Siemens 5 MWth pilot scale ga...

C17060AOxyfuel Technology For Carbon Capture And Storage Critical Clean Coal Technology - Interim Support

The status of oxy-fuel technology for first-generation plant is indicate...

C18007Review Of Underground Coal Gasification

This report consists of a broad review of underground coal gasification,...

Low Emission Coal Use

Mining And The Community

The relationship between mines and the local community.

Recently Completed Projects

C22029Understanding And Managing Cumulative Impacts Of Coal Mining And Other Land Uses In Regions With Diversified Economies

The coal industry operates in the context of competing land-uses that sh...

C23016Approval And Planning Assessment Of Black Coal Mines In NSW And Qld: A Review Of Economic Assessment Techniques

This reports on issues surrounding economic assessment and analysis ...

C19025Governance Strategies To Manage And Monitor Cumulative Impacts At The Local And Regional Level

ACARP levy contributors should order this report in the normal manner – ...

Mining And The Community

NERDDC

National Energy Research,Development & Demonstration Council (NERDDC) reports - pre 1992.

Recently Completed Projects

1609-C1609Self Heating of Spoil Piles from Open Cut Coal Mines

Self Heating of Spoil Piles from Open Cut Coal Mines

1301-C1301Stress Control Methods for Optimised Development...

Stress Control Methods for Optimised Development and Extraction Operations

0033-C1356Commissioned Report: Australian Thermal Coals...

Commissioned Report: Australian Thermal Coals - An Industry Handbook

NERDDC